TM Racing MX 450 Fi vs KTM 450 SX-F Factory Edition (2019)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the TM Racing MX 450 Fistacks up against the KTM 450 SX-F Factory Edition. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecTM Racing MX 450 FiKTM 450 SX-F Factory Edition
Model year20192017
Price
Engine449 cc449 cc
Weight100 kg
Seat height38 mm
Fuel capacity2.0 L1.9 L
Fuel typepetrolpetrol
Transmission5-speed4-speed
Front brakesSingle disc. Wave disk with Nissin pump and Brembo caliperSingle disc. Brake calipers on floating bearings
Rear brakesSingle disc. Wave disk with Nissin pump and caliperSingle disc. Brake calipers on floating bearings
Tires80/100-21 / 110/90-19

TM Racing MX 450 Fi vs KTM 450 SX-F Factory Edition — which should you buy?

Picking between the TM Racing MX 450 Fi and the KTM 450 SX-F Factory Edition usually comes down to the numbers you care about most. On paper, the TM Racing MX 450 Fi brings its published horsepower, while the KTM 450 SX-F Factory Edition counters with its own power figure at 100 kg.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: